648119 has 2 divisors, whose sum is σ = 648120. Its totient is φ = 648118.

The previous prime is 648107. The next prime is 648133. The reversal of 648119 is 911846.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-648119 is a prime.

It is a super-2 number, since 2×648119² = 840116476322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 648091 and 648100.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648119.

It is not a weakly prime, because it can be changed into another prime (648199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324059 + 324060.

It is an arithmetic number, because the mean of its divisors is an integer number (324060).

2⁶⁴⁸¹¹⁹ is an apocalyptic number.

648119 is a deficient number, since it is larger than the sum of its proper divisors (1).

648119 is an equidigital number, since it uses as much as digits as its factorization.

648119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 648119 is about 805.0583829760. The cubic root of 648119 is about 86.5402710454.

It can be divided in two parts, 648 and 119, that added together give a palindrome (767).

The spelling of 648119 in words is "six hundred forty-eight thousand, one hundred nineteen".